Perilla can be categorized into perilla seed and perilla leaf, both of which have unclear side effects. Perilla seed has the effects of relieving cough and asthma (stopping coughing and calming wheezing), lowering qi and resolving phlegm, and moistening the intestines and laxatives. It can be used to treat intestinal dryness and constipation, phlegm and congestion, coughing and phlegm, low food intake and chest congestion. The side effects of Perilla frutescens are not clear, and this product should be used with caution for those with spleen deficiency and loose stools (thin and unformed feces). Perilla leaf has the effects of moving qi and harmonizing the stomach (regulating the stomach and internal organs by promoting the operation of qi), and relieving the surface and dispersing cold (removing cold from the muscle surface). It can be used in the treatment of wind-cold flu, chest and epigastric fullness, cough and phlegm, nausea and vomiting, vomiting in pregnancy, fish and crab poisoning. The side effects and contraindications of Perilla frutescens are not clear. If you feel unwell, it is recommended to go to the hospital in time, and the use of perilla and other traditional Chinese medicines should be guided by a professional physician.